njrat | 44417075a41cc5e3347ba285141bd917d684cb0fed3ce49ae3d687020cc0528b

General

Target

f2a03ff09edaa019e6289167508da176_JaffaCakes118.exe
Size

157KB
MD5

f2a03ff09edaa019e6289167508da176
SHA1

54916c8758dc33c896121236a94417c2ffcf2a60
SHA256

44417075a41cc5e3347ba285141bd917d684cb0fed3ce49ae3d687020cc0528b
SHA512

8aeab40c4387f475a7629f8931aafd6eb1cfbeded0b120652b67f93c7a2c2a517ea8ed0018052158339295e177fae6bfd68fb570617d3bacf2322e91f3269374
SSDEEP

3072:GrqI+OvIXvMP230AFQHflAafC+Qdhz1FKA/Mp+DIF+PH:n/MuEAFQ/lAafmFFKDp+C+f

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1180	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	f2a03ff09edaa019e6289167508da176_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8b8859842df68396eb062eb8aa8322ad.exe	Sell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8b8859842df68396eb062eb8aa8322ad.exe	Sell.exe

Executes dropped EXE 1 IoCs

pid	Process
1568	Sell.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8b8859842df68396eb062eb8aa8322ad = "\"C:\\Users\\Admin\\AppData\\Roaming\\Sell.exe\" .."	Sell.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\8b8859842df68396eb062eb8aa8322ad = "\"C:\\Users\\Admin\\AppData\\Roaming\\Sell.exe\" .."	Sell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f2a03ff09edaa019e6289167508da176_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Sell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1568	Sell.exe
Token: 33	1568	Sell.exe
Token: SeIncBasePriorityPrivilege	1568	Sell.exe
Token: 33	1568	Sell.exe
Token: SeIncBasePriorityPrivilege	1568	Sell.exe
Token: 33	1568	Sell.exe
Token: SeIncBasePriorityPrivilege	1568	Sell.exe
Token: 33	1568	Sell.exe
Token: SeIncBasePriorityPrivilege	1568	Sell.exe
Token: 33	1568	Sell.exe
Token: SeIncBasePriorityPrivilege	1568	Sell.exe
Token: 33	1568	Sell.exe
Token: SeIncBasePriorityPrivilege	1568	Sell.exe
Token: 33	1568	Sell.exe
Token: SeIncBasePriorityPrivilege	1568	Sell.exe
Token: 33	1568	Sell.exe
Token: SeIncBasePriorityPrivilege	1568	Sell.exe
Token: 33	1568	Sell.exe
Token: SeIncBasePriorityPrivilege	1568	Sell.exe
Token: 33	1568	Sell.exe
Token: SeIncBasePriorityPrivilege	1568	Sell.exe
Token: 33	1568	Sell.exe
Token: SeIncBasePriorityPrivilege	1568	Sell.exe
Token: 33	1568	Sell.exe
Token: SeIncBasePriorityPrivilege	1568	Sell.exe
Token: 33	1568	Sell.exe
Token: SeIncBasePriorityPrivilege	1568	Sell.exe
Token: 33	1568	Sell.exe
Token: SeIncBasePriorityPrivilege	1568	Sell.exe
Token: 33	1568	Sell.exe
Token: SeIncBasePriorityPrivilege	1568	Sell.exe
Token: 33	1568	Sell.exe
Token: SeIncBasePriorityPrivilege	1568	Sell.exe
Token: 33	1568	Sell.exe
Token: SeIncBasePriorityPrivilege	1568	Sell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 1568	4488	f2a03ff09edaa019e6289167508da176_JaffaCakes118.exe	87
PID 4488 wrote to memory of 1568	4488	f2a03ff09edaa019e6289167508da176_JaffaCakes118.exe	87
PID 4488 wrote to memory of 1568	4488	f2a03ff09edaa019e6289167508da176_JaffaCakes118.exe	87
PID 1568 wrote to memory of 1180	1568	Sell.exe	90
PID 1568 wrote to memory of 1180	1568	Sell.exe	90
PID 1568 wrote to memory of 1180	1568	Sell.exe	90

C:\Users\Admin\AppData\Local\Temp\f2a03ff09edaa019e6289167508da176_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2a03ff09edaa019e6289167508da176_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Users\Admin\AppData\Roaming\Sell.exe
  "C:\Users\Admin\AppData\Roaming\Sell.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1568
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Sell.exe" "Sell.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:1180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Sell.exe

Filesize
157KB

MD5
f2a03ff09edaa019e6289167508da176

SHA1
54916c8758dc33c896121236a94417c2ffcf2a60

SHA256
44417075a41cc5e3347ba285141bd917d684cb0fed3ce49ae3d687020cc0528b

SHA512
8aeab40c4387f475a7629f8931aafd6eb1cfbeded0b120652b67f93c7a2c2a517ea8ed0018052158339295e177fae6bfd68fb570617d3bacf2322e91f3269374

Download Submit
memory/1568-13-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/1568-14-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/1568-16-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/4488-0-0x0000000075352000-0x0000000075353000-memory.dmp

Filesize
4KB

Download
memory/4488-1-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/4488-2-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/4488-12-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads